Rock group | Igneous |
Classification | Extrusive/plutonic |
Composition | Felsic |
Texture | Glassy Aphanitic Porphyritic |
Intrusive counterpart | Granite |
Common minerals | Quartz Sanidine Plagioclase feldspar Biotite Hornblende |
Rhyolite GigaPans
Rhyolite in Thin Section
Thin Section GigaPans
Porphyritic rhyolite, plane polars
Porphyritic rhyolite, crossed polars
![](http://blogs.nvcc.edu/mineralogy/files/2018/10/50HD0030-1024x768.jpg)
![](http://blogs.nvcc.edu/mineralogy/files/2018/10/50HD0032-1024x768.jpg)